Multiple choice

Which of these are environmental pollutants and persistent organic pollutants?

  1. Persistent free radicals

  2. Nitrogen oxides

  3. Particulates

  4. Dioxins

  5. Toxic metals

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dioxins and dioxin-like compounds (DLCs) are by-products of various industrial processes, and are commonly regarded as highly toxic compounds that are environmental pollutants and persistent organic pollutants (POPs).